JP7028790B2 - 低減したガス透過性を備えるポリエステル容器及びフィルム - Google Patents
低減したガス透過性を備えるポリエステル容器及びフィルム Download PDFInfo
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- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
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- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
- B29K2067/003—PET, i.e. poylethylene terephthalate
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- B32B2307/7242—Non-permeable
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- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Description
(1)ボトルグレードのPETポリマーと、
(2)これらに限定されないが、OxyClear(商標)、DiamondClear(商標)、valOR(商標)、Amosorb(商標)、HyGuard(商標)を含む、1つ以上の活性酸素捕捉添加剤と、
(3)高レベルのIR吸収再加熱添加剤であって、前記再加熱添加剤が、25百万分率(PPM)以上、好ましくは50PPM以上、より好ましくは100PPM以上及び最も好ましくは200PPM以上の最終容器ポリマーの重量分率を含む、前記IR吸収再加熱添加剤と、のブレンドを含むポリマー組成物を備える、射出成形、延伸ブロー成形または押出成形容器。
3つの低IVホモポリマー樹脂のセット-0.37、0.43及び0.44のIV-が10lbの反応器で作成された。0.43のIV樹脂は核として添加した1000PPM TiO2を有し、更に結晶化を高めた。
多層ボトルは、低IV樹脂を試験するユニーク方法を提供する。ボトル樹脂はボトルをブローする形状及び強度を提供する一方で、中央の低IVの薄い10~15重量%の層は、ボトル樹脂から分離した結晶化について目視による試験を可能にする(図3)。
12セットのプリフォームを300mlのボトルにブロー成形した。各処理は、上部、中央と底部の間に良好な重量分布を付与するようにプリフォーム加熱ゾーンを調整するのを必要とした。
低IV樹脂(0.37のIV)は、0.84IVのB90Aの対照と共に、15%、25%及び50%の重量割合で0.84IVのB90Aを有するMiniJector中のディスク内に混合成形された。2セットのディスクは、厚い0.15”と薄い0.10”で作成した。これらのディスクを結晶化及び曇りについて調べた。
Claims (7)
- ポリマーフィルム壁によって規定される内部空洞を有する成形容器であって、前記ポリマーフィルム壁はA-B-A多層構造を有し、前記A層は高固有粘度ポリエチレンテレフタレート(PET)でできた外側フィルムであり、前記B層は低固有粘度PETでできたバリアフィルムであり、前記低固有粘度PETはB層に限定されており、
前記バリアフィルムはA-B-A多層構造の合計厚みの3~10%の厚みを有し、
前記高固有粘度PETが0.65と1.30dL/gの間の溶液IVを有し、ならびに前記低固有粘度PETが0.55dL/g以下の溶液IVを有し、前記成形容器が射出成形容器、延伸ブロー成形容器及び押出ブロー成形容器からなる群から選択される1つである、前記容器。 - 前記低固有粘度PETの重量パーセント(重量%)が前記ポリマーフィルム壁の2と50重量%の間を含む、請求項1に記載の容器。
- 前記高固有粘度PETが0.70~0.9dL/gの間のIVを有する、請求項1に記載の容器。
- 前記ポリマーフィルム壁が能動型O2/CO2ガスバリア添加剤を含まない、請求項1に記載の容器。
- 前記容器のガスバリア性が、周囲条件(例えば湿気または温度)によって長期にわたって本質的に不変のままである、請求項1に記載の容器。
- ポリマーフィルム壁によって規定される内部空洞を有する容器であって、前記ポリマーフィルム壁はA-B-A多層構造を有し、前記A層は、高粘度ポリエチレンテレフタレート(PET)を含むポリマー組成物でできた外側フィルムであり、前記B層は低固有粘度PETでできたバリアフィルムであり、前記高粘度PETが0.65と1.30dL/gの間のIVを有し及び前記低粘度PETが0.55dL/g以下のIVを有し、前記低固有粘度PETはB層に限定されており、
前記低固有粘度PETがIR吸収再加熱添加剤を含み、そこで前記再加熱添加剤が、25百万分率(PPM)以上の前記低IVのPETポリマーの重量分率を含み、
前記容器が射出成形容器、延伸ブロー成形容器、押出ブロー成形容器及び熱成形容器からなる群から選択される1つである、前記容器。 - 前記容器のガスバリア性が、周囲条件によって長期にわたって本質的に不変のままである、請求項6に記載の容器。
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Application Number | Priority Date | Filing Date | Title |
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US201662320737P | 2016-04-11 | 2016-04-11 | |
US62/320,737 | 2016-04-11 | ||
PCT/US2017/027018 WO2017180629A1 (en) | 2016-04-11 | 2017-04-11 | Polyester containers and films with reduced gas permeability |
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JP2019521194A JP2019521194A (ja) | 2019-07-25 |
JP7028790B2 true JP7028790B2 (ja) | 2022-03-02 |
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US (1) | US11186713B2 (ja) |
EP (1) | EP3442874A4 (ja) |
JP (1) | JP7028790B2 (ja) |
KR (1) | KR102137899B1 (ja) |
CN (1) | CN109153473B (ja) |
BR (1) | BR112018070814B1 (ja) |
CA (1) | CA3018421A1 (ja) |
EA (1) | EA038240B1 (ja) |
MX (1) | MX2018012182A (ja) |
MY (1) | MY189959A (ja) |
SG (1) | SG11201808155WA (ja) |
WO (1) | WO2017180629A1 (ja) |
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BR112020019438B1 (pt) | 2018-03-26 | 2023-10-17 | Octal, Inc | Método para formar uma blenda de poli(tereftalato de etileno) que tem talco e blenda de poli(tereftalato de etileno) |
CA3160061A1 (en) * | 2019-12-02 | 2021-06-10 | Octal, Inc. | Multimodal polyalkylene terephthalate |
CN113734624A (zh) * | 2020-05-28 | 2021-12-03 | 内蒙古蒙牛乳业(集团)股份有限公司 | 一种包装容器 |
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KR102137899B1 (ko) | 2020-07-24 |
BR112018070814B1 (pt) | 2022-09-13 |
JP2019521194A (ja) | 2019-07-25 |
SG11201808155WA (en) | 2018-10-30 |
BR112018070814A2 (pt) | 2019-02-05 |
KR20190003490A (ko) | 2019-01-09 |
EA201892041A1 (ru) | 2019-04-30 |
CA3018421A1 (en) | 2017-10-19 |
CN109153473A (zh) | 2019-01-04 |
US20190112471A1 (en) | 2019-04-18 |
EP3442874A1 (en) | 2019-02-20 |
MX2018012182A (es) | 2019-02-07 |
MY189959A (en) | 2022-03-22 |
EP3442874A4 (en) | 2020-01-08 |
CN109153473B (zh) | 2021-08-17 |
EA038240B1 (ru) | 2021-07-29 |
WO2017180629A1 (en) | 2017-10-19 |
US11186713B2 (en) | 2021-11-30 |
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